O.C. teen sexually assaulted at knifepoint

November 26, 2009 12:00:00 AM PST

LOS ANGELES --

A manhunt is underway for a man who sexually assaulted a teenage boy at knifepoint in a Newport Beach restroom. It happened Friday at the Dunes RV resort near Jamboree Road and Back Bay Drive. Police say the 15-year-old victim was alone in a restroom when the suspect sexually assaulted him.

The suspect is described as a white male, between the ages of 20 and 30, about 5 feet 10 inches tall, 180 pounds, with an upside-down triangular beard. He was wearing a black hooded sweatshirt, khaki cargo pants, a brown leather belt, a silver ring and black gloves.

Anyone with information is urged to call Newport Beach police at 1-800-550-NBPD.